The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 1980
Filed:
Sep. 23, 1977
Applicant:
Inventors:
Robert P Popovich, Austin, TX (US);
Glen D Antwiler, Austin, TX (US);
Jack W Moncrief, Austin, TX (US);
Assignee:
Hemotherapy Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
1282 / ; 210 / ; 210 90 ; 2101952 ; 2103 / ; 2104 / ; 210434 ; 210D / ;
Abstract
A process and apparatus are provided for continuously separating blood into plasma and cellular component fractions and returning the latter to the subject in admixture with a makeup fluid. The separation is effected by continuously ultrafiltering the subject's blood at specified shear stresses and pressures employing a membrane ultrafilter, preferably having a pore size of 0.45 microns, and a disclosed flow system.